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Helve E, Koivisto VA, Lehtonen A, Pelkonen R, Huttunen JK, Nikkilä EA.Helve E, et al. Among authors: huttunen jk.Acta Med Scand. 1987;221(4):385-93. doi: 10.1111/j.0954-6820.1987.tb03360.x.Acta Med Scand. 1987.PMID: 3300175Clinical Trial.
Huttunen JK, Aro A, Pelkonen R, Puomio M, Siltanen I, Akerblom HK.Huttunen JK, et al.Acta Med Scand. 1982;211(6):469-75.Acta Med Scand. 1982.PMID: 7113763No abstract available.